2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/214399Rotation of polarization plane of light in gas placed in electric field is considered. Different factors causing this phenomenon are investigated. Angle of polarization plane rotation for transition 6S_{1/2} - 7S_{1/2} in cesium (lambda=539 nm) is estimated. The possibility to observe this effect experimentally is discussed.10 pages, LatexHigh Energy Physics - Phenomenologytext